Magnesium M1A Sheet,UNS M15100;,E FOUR

### **Product Datasheet: Magnesium M1A Sheet (UNS M15100)** **Commercially Pure Magnesium Sheet with Superior Corrosion Resistance** --- #### **1. Overview** Magnesium M1A Sheet (UNS M15100) is a commercially pure wrought magnesium product containing approximately 1.5% manganese as the primary alloying element. Supplied in the "F" temper (as-fabricated), this sheet material offers excellent corrosion resistance that surpasses most magnesium-aluminum-zinc alloys. The combination of light weight, good formability, and exceptional weldability makes it suitable for various industrial applications where weight reduction and corrosion performance are critical. --- #### **2. Key Features & Advantages** - **Superior Corrosion Resistance:** Outstanding performance in various environments compared to AZ-series alloys - **Excellent Weldability:** Readily welded using standard TIG methods without special requirements - **Good Elevated Temperature Strength:** Maintains mechanical properties at moderate temperatures - **Lightweight Structure:** 35% lighter than aluminum, 75% lighter than steel - **Good Damping Capacity:** Effectively absorbs vibration and noise - **Eco-Friendly:** Fully recyclable with low energy requirements --- #### **3. Chemical Composition (Weight %)** | Element | Mg (Balance) | Mn | Fe (max) | Si (max) | Ni (max) | Cu (max) | Other Impurities (max) | |---------------|--------------|------------|----------|----------|----------|----------|------------------------| | **Content (%)** | >97.5 | 1.3-2.0 | 0.05 | 0.10 | 0.01 | 0.05 | 0.30 (total) | *Note: The controlled manganese content helps precipitate harmful iron impurities, enhancing corrosion resistance.* --- #### **4. Typical Physical & Mechanical Properties (Sheet)** | Property | Value | Condition / Remarks | |---------------------------|------------------------------|---------------------| | **Density** | 1.76 g/cm³ (0.063 lb/in³) | | | **Melting Point** | 650°C (1202°F) | | | **Thermal Conductivity** | 78 W/m·K | At 25°C | | **Electrical Resistivity**| 9.2 μΩ·cm | At 20°C | | **Tensile Strength (UTS)**| 180-220 MPa (26-32 ksi) | Varies with thickness | | **Yield Strength (TYS)** | 115-140 MPa (17-20 ksi) | 0.2% offset | | **Elongation** | 8-15% (in 2 inches) | Depends on temper | | **Modulus of Elasticity** | 45 GPa (6.5×10⁶ psi) | | | **Hardness** | 45-55 HB | | --- #### **5. International Standards** Magnesium M1A Sheet complies with the following international standards: - **ASTM B90/B90M:** Standard Specification for Magnesium-Alloy Sheet and Plate - **AMS 4375:** Aerospace Material Specification for Magnesium Alloy Sheet and Plate - **UNS M15100:** Unified Numbering System designation - **ISO 3116:** Wrought magnesium and magnesium alloys - **DIN 9719:** Magnesium sheets and plates --- #### **6. Applications** - **Aerospace Industry:** - Non-structural aircraft components - Interior panels and access doors - Electronic equipment enclosures - **Transportation Sector:** - Truck and trailer body panels - Flooring components - Container panels - **Industrial Applications:** - Photoengraving plates - Cathodic protection anodes - Heat sinks for electronic devices - **Consumer Products:** - Luggage frames - Portable instrument cases - Specialty packaging --- #### **7. Processing & Fabrication Guidelines** - **Forming:** Requires hot forming at 230-320°C (450-600°F) for best results - **Welding:** Excellent TIG weldability using compatible filler rods - **Machining:** Superior machinability permits high-speed operations - **Joining:** Can be riveted, bonded, or mechanically fastened - **Surface Treatment:** Responds well to chemical conversion coatings, anodizing, and painting - **Heat Treatment:** Not required (F temper - as rolled) --- **Disclaimer** This technical data serves as a general reference only. Actual properties may vary depending on manufacturing processes, sheet thickness, and storage conditions. Users should conduct appropriate testing to verify suitability for specific applications and consult relevant material specifications before use. Proper safety precautions for magnesium processing must always be followed, particularly regarding fire hazards during machining and grinding operations.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3348 gallon liquid totes Special package is available on request.